msm: 8226: Add board file support for Ion
msm: 8226: Add board file support for Ion

Add board file structures and functions necessary to parse the device
tree for Ion entries and reserve memory for the heaps.

Change-Id: I715aacc5d09b87aff514ed05797988d5f49a76bd
Signed-off-by: Mitchel Humpherys <5070267e141ca308fc855217ddbeaf20e729a7bf@codeaurora.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas